Oscillating fan



ocnzl, 1930. F. H. GALLAGHER 1,778,895

OSCILLATING FAN Filed April 18. ,192s s sheets-sheet 1 HTTYs-v Oct. 2l, 1930.

F. H. GALLAGHER OSCILLATING FAN Filed April 18, 1929 3 Sheets-Sheet 2 .120 'plane in flight.v 1

orienten-Go; 'ILLINOIS Y Appiiiation inea April 1s,

lMy invention'relates'in '.general'fto .fans

and has more particular referencesto a iiofveh and improved means for and methodof-Causf f ing fans' to oscillate. -lilyinvention relates'- 5 vmore especially .tof a: means `fandf method f particularly adapted VJforinstallationin Coni; neetion with fans simulating airfera-ft, Whereby the lsamem'fity be'eaused to osoillate ina'n extremely "lifelike manner, by the rreaction 10 0f the. 'air Current. Produced bi1-"the liiii i .itltlg' fa .modified against a" deliectable steering element. 'Y Air fans madevinsimulation fairplanes i havey a particularfadyantage in that they present` a slightly .and novel vappearance and i5 ii is in impoiigiiii Object: Oi. iiiy-iiiveiiiiziii iii provide an -air r'fanformed in` s im1 il ation.of an yairplane A having means whereby the .fan #may bezosoi'llated periodically"1liny order-to vclosely simulate'the appearance of anairif means for oausingthe fanl'to oscillatei Anotherimportantf'objeet of my present 25 invention is to'pro'vide a deliectablefsteering 'membervarranged in position to react/,against the-air currents producedbya fanan'clino'vel means 'for-"controlling the'f-an,gularityv ofthe; Amember whereby the "fanmayfbeJoseillated i tionof thefan'. Vitnother' important objectlfis-'toprovide a steffsringv vaineljarrange'dfin Ithe of ain fcurre'nts createdbya tan' means for j 35. periodically delleeting thejvane f cause'tlie tan to oscillate.'

s iiu iiiiiieigiinportinij @meer of iiiyiii; Vention is to provideafshiftable' member dis? 40 posed in the path vo'ffa'ir Currents Created byy vthe operation ofa fan- .'oonealedfmeans. for changingthe angular relationship of the -i Siii'iiiblegmeiiibe .sifdmeiiis being Operated* v.by tliefanY motor.r

Numerous other-,objects `Vandy adyantages ,ofv my `presentinvention Willfbe apparentas it y jisjm'ore fully understoodffrom thefollowing Y' @description Whioh,..talen` i'together' Withtheff closesapreferredf;

` 1fg.'van@.17..termedfinsimulation Otan airplane.

accompanying 'dfrawingsY dis o'embodimentro myi.invention,..1VV

@inning Another importantf'object Voit'rnypresent f vinvention is'to provide novelV and vi'm'p'rovetl lnigameang embodying my present inventiom forffcauslng the ian. to oscillate; 'l

my inventioni To illustrate vinventionfIfh'ayeshowin.;

on* the drawings. a 'fan assembly f-fffned in vsimulation Tof an lairpla'i1e' andi comprising. A a motor 11,"Whicl1` inthe yillustrated ernbodi-l mentcomprises an electric motor7 aconicafl'f .tube 12si1nulating the fuselage of `ani fair- .plane and extending'rearwarclly of onggnd, i 'f AVolf the motor lland aistrip of suitablema- Ateri'aljl -simulatinglthe Wings'y of. anjairr planeiseoured substantial-lyjA at its `midportions of.thef'motor 11 Vbymeans of suitable *fastening means;y such 'f for instance? the nuts and bolts .14,`althouglisit-bwillbe obvious--tliat .the Wings? may be` solderedor' iivelclefd;l or

VVious l. .tlia'tf additional wing'planes may.: be

are; braced.l member ."l'-vexte'ndin lfurther Figure 2' y isf afseetiont'aken substantially i: y

Figure 3 isf/a perspective-View of theguos-A echanism/ of 'illustrated *so 'Y oonstru'otionl."embodyingl l ther `addedas'designed:in-:order tosimi'ilatefhav *lng morethana singlewin'g planeufThus'a thejfuselageain anyfconvenient manner,` suoli i rudder. This member is arranged ina plane substantially normal tothe ,planes of the tail ins 16, and of the wings land is pivot-V f '13 and form a means to which may beseeured a swivelbraeketl or otherlsuitable supel "portiI-ig`- deviceVV for ls'uspendingfthe fan loperative position'. Y'

` Lio allyl mounted to a'pn'18, which in turns carried in' a bracket 19 Vsecured-to the fuse-` laJge.` D

The boltsxl` extend upwardlyfolI the'jwings Theshaft of the'rnotor l1 'extendsfor-` wardly and carriesthereonav suitalteV fan- Y22, which may be 4tormedinsimulationoit: an

airplane propeller. -The swivel suspension 1s formed and:l t arranged -gtof providelsuitable electrical: eonneetons; 23, `tor supplying Qthe'j meter-with Y power;` ronrV a suitable' source whereby' the moton.maybedrivenn order torotate theffan22. The blades of they-fan '22- are suitablyrlarranged `so .thatl when Vro.V tated as aforesaid-7,' it :will Create a Vcurrent of ajirV Ywhich ftravelsrearwa-rdly Vpast the fuse lage 13, tail lns'l'v andv rudder-17;

u V,ranged at"` ani-angle withgrespect to the'air Acurrent a turning movement will* be exerted VIt `will Lbeobvitms'that ifithe rudder is'arp, on. Vthemfan assembly bythe reaction ofthe rudderto theeurrent of air.; vIfthe rudder is @arranged to@ one 'side of vits vnormalQposi.- tion in the plane ofthe axis of 'rotation off -ftlie`fan,f the rearflnostlportions' ofthe f fan Y v lrection and vice-versa.

assembly will .bey urged lin; the opp'ositedif VVThe fan assembly, isfsupported'A lQWer-fenrd of *.alsuita'ble suspension: member .whielifl have shown; as a tubulargmelnber 24,v which may be seouredvat oneend tofafsutable vvsupportingbase,` and which carries it at its 'lower` end,A afwasher or plug 25' threaded orVV otherwise suitably seoured 'to' thel lower end ofj the tube ,24g YThis pluie;v 25 extends outwardly ofthe tube, and seatsfinfaj soolietQG V`j formed in the upper fp or'tionsofla braeket' '27,14 th'e'lower portionsV 282er" which arefari. .rangedfto provide f a' ylaterally 'extending flange, provided with bolt' holes wherebythe arrangedz;,Theioover platel and ball'ibear- Y ,-ing'enoireles.the tube-Qlabovefthesplug,

" l afre'xseeured to the-Supper:portions-fof.;the'

and:E the outer E portions: of' .the i @over plate 4 l' braeltet: by .bolts as illustrateidjV to kthus Y 'The vane V17 @is oaused 1,778,8e5 Y V supporting tubev also provides'i a channel ooterminousfwith1v the Y channel 325 so that the tube 24 throughtheswi'vel connection, and `int-o the Channel 32. The Channel 32 also is conneotedwith thel interior of the fuselage 12 of: thefan 'assembly by Avmeans of VsuitableConductors mayfbe arrangedin l an insulated .Conduit 33j inVV which the eon- `due-tors 23 larearranged.- In this mannerthe je`o;r. 1"dutorsE 23j :be-'jentirely-'concealed at` allftimes 1n passing fromjthefsouroe ofmotive power to the motor 11. The swivel oonneeti'onmwhieh l have justldescribed has the plioity4 and x'servioeabi'lity; vand in laddition `the conductors, 23 v.are eoneealediat: allfti'mes, Vso that dirt` may Anotfaft'eot the` insulation, norfwill the exp'osuresof the conductors mar f theV Vsightlyappearan'ee efvtl'ie fan suspension.

. Itewillflbe noted thatV .haveshown-con#l ftinuousllConduetorsl [passing vthrough the V'swivel connection 2l and intothe fan assemadvantage of ".ueatness; C oinpaotness, i sim'- f blynif Forthisf reason it isl apparent thatvtll'e swivelfsuspensioni-as illustrated, oann'oiti'be usedfor a fan assemblywhioh continuously rotatesingoperatiom 'It' would however be a simple 'matterftol insertV to provide coop` erating, slip'fe-o-nta'et mounted respectivelyin fthe l rotating plug 2.4, in the stationary l fbraoket 27j, whereby a' suitable power connec-l tion mi-ghtfbe maintained, without modifying the remaining structure of .the svvlveljco'nnee-` tionli` :I donot-illustrate thisl modification 'lateiy'moveinent is; aeeomplishedzn a .novel '.-ferthe freasonfthat; the fan-asseinblyyofymy invention isadapted foroseillatry movement about thesupportmember 24,5 This, osoilV ion manner endl-,bave illustrated in thefdiawings, two preferredembodiments illustrating Vthe modelinwhi'ch a'"-'an.;assembly;may` be, 'ezufsed to `oseillate jin the novel-manner `of wzin'vy present invention. l 7

*1111 Figulesl, 52,V and 3; Onftle "drawings, I

los

tofl swing about" its Y pivot 18 and assume one or'thejotheroitwo extending* Vvoppbsitelyf and outwarcllvg-froin a colla-r1 34 encireling `the tube 24j d atie-91 o; the extremities of* V a-rlglvllarffjpositi;ons by*meanspofsa.meehanism, r which 'includes laterally extendingfarmsf The member 43 has outwardly and oppositcly extending arms, the extremities of which are f provi-ded with pegs46fcomprising nuts. and

bolts extending: through .apertures formed in thearms of ther member 431.V .The 'rearmost ends ofithe tierrodsfare looped as at 41 around the pegs 46 to thus prov1de,.asliding.

connection between Vtheen'dsl of the rods 88 andthearmsfof the pivoted' member 43'; the. plvoted member 43 also carries a peg 48 posi'- tioned forwardly of the pivot '45 and a springV 47 connects the peg48 to a. point inthe bracket 19, rearwardly of the'pivo-t 45, so that when I- the member 43 rotates about/pits pivot 45 in its displacement'.` f A second pivot member44 vismounted to the pivot45 immediately beone direction orf the other, the spring 47 will resilientlyurge the memberv 43 to maintain neath themember43. This second member 44 is providedwith rearwardly extending V curved arms y53, and a forwardly vextending arm 55, in which is lmounted an yupstanding pin 57...,The forward extremityzofthe arm 55'is orf-set downwardly as at.'59', and is connected'by means of springv 61 to ai point in the sup-porting bracket behind the'fpivot45,

so that when the member 44 is. moved angularly inone direction or'another about; its

pivot, the spring 611will, resiliently urge the member to maintain'vitsfdisplacement.

Y ber .-44 immediately'in front of the forward the spring 61 to snap the member edge of the pivotedlmember 'This-meme ber 43 isprovided with spaced'upstanding arms 49 on opposite sides of the pin 57. l These arms'49 carry adjustable screws-51in :postion to engage the sides of'thejpinz'', so that when the member143 is rotatedthrough a prei determined distance in one direction from i its normalentered positionaboutrits pivot( c position-1n which -thefvane ;17 1s' forc 45, one or the other of the said screws 57 will" engage the pin`57 anfddisplacethememben Y 44 Vabout the vpivot 45;` "It willbefunderstood that aslight displacement'of the member44f caused in the foregoing'manner will allow extreme limit of its movement;

Thevane 17 's provided Vwith a forwardly extending vportion 63, which arranged inV the path of movement-of the arms 53 'vof-the Vmember 44, so. that when the member v4 4 isny thus rotated about'. its pivot l45jinone ,direc-f i thek extension: 89. @Atits forjward'j end the shaft 81 .is provided with-abevel" gear driving I `connectionSS withithe' counter shaft 7 9', and

tion or another, one of thearms 53will engage the`r vane extension and cause the .vane 17 to assume an` annular positlon 'as illustrated in Figure -1. When this. occurs the air` current created bythe rotation .ofthe fan. 22 will cause the rearfmostportionsofthe fanassembly to rotate aboutthe tubular sup! port 24inaclockwise direction viewingldig-fy suitably adjusting :the lengthsljof 'thevv urezSincefthe arms36" are j .fiared to l'they support 24, such rotationwill-l'cause the con? necting rods SStoi movethe-member- '43 about its `piv-ot45 infa -countercloclrwise direction viewing Figure 1, until thesaid screws 51*engages-thefp'in 57.2and` rotates, the -membera44 i gradually. until. it assumes` a position in which the 'arms '53-.force'the' Vvane 17 to assumev its vsec-ond angular' position-opposite `toY'th-at shown in Figure lof .the drawingslliniwhieh position'the reaction'of Lthe vane on the lair currents produced lbye-:they ,fan l122 will,y cause Vthe .assembly to frotate" in' Y af:1counter}cl' clfl+ wise''direction about fthe. supporting member v.

24. lThe mechanism .may befadjustedr "toyrefy verse i the rotations .of theV ass'jembl-y; rperiodi.v l

cally, or. after theassemblychas rotated-'a' Y predetermined; distancepzin `Vonesgdir'ectionII-:er ,-1 1

It will bef apparentathat this y:mechanism is entirelyjexp'osed jan'd ffor; this reason-.Iihave designed `entirely enclosed mechanism for r changing the angular relationship olfpthe vane 17. inorderto cause thef fanassemblyi t oscillateza- This embodiment. of myfinvention isiliusmteaia riguriesrana 5 affine-draw; f

ings. In the embodiment the. tail flipping et 19, saidfextension Ycomprising,-v afxplatelex.-

lever member 93-is resiliently'nrgedby means 'i .the tension 'of .{the ;f'springV 95, and assuming the other of "its'twofangularf positions The sh ft;ofgthemotorlil islextended la counterfshaft79whichin turn -isjj ournaled'fj u inaQbracket AT7-#fastenedftoand'extending `*rearwardly-of, themotorfglL i This lb'lvaket Aalso provides journal support for the worm 73. and-adriveishaft 813. whihs iourilaledfas at 85 in thebracket 77 andextends,rearwardly and-is ourn'aledat fitsfo'ppositef yend-at' 87 inff *Y is provided'at its opposite end with'fa .worm

gear-,107,5 which-meshes with. a'k worm wheel 105:11'Thelworm wheelz-1105 isi-suitably coniy nectedfor drivingia shaft103fwhichalsoicar ries a cam ;memberflOlinQposition ,to engage v lui y and actuatea' cai'follovver '979.` This' cam followerxis mount'edin the vanegflipping lef-z ver 93, so that upon rotation ofthe cam mem,- ber 1015 the lever93 may loeY periodically vshifted to causethe vane to move. In' this mannerv and by varyingfthe configuration .of the. cam member 101, the `fan assernlol-yrmay be caused to reverse its rotation `aloout the support InemloerJZl after any predetermined'` rldesi'red time interval. v i

Itis thought that the invention and inu-l j'merous :of: its.. manifest advantages Will he tion,A and itis obvious that numerous changes fully understood fromthe oregongfdescripmay'nbe kmade in" the vform; construction `and v arrangement of the various parts'without departing romth spirita-ndscope ofztheain'f.

j v ventionz'or. sacrificing .anyoi` its;materialadfV g ffvantagegtheform hereinbefore descrihedlbe i ing'ofaf'vpreferredlembodiment forpurposes' of illustrating lily/invention.-

Having thus described myV invention7 formeain' Simulations an airpnneindudhg Y y Y `vvin'gs, hollow fuselage, propeller-rand en -pivotedrudder',y means 'for pivotally supporting the frame,k a motor ,mountedin ther 'frame for vrotating the propeller to create a current of lair rearwardlylvpast the rudder and means housed Withinv the fuselage and driven from themotor to shift the rudder from side to,

sideywhereby to impart an oscillating Vmovesu v Y s ment inthe"framey about its pivot Whenthe -g air currentsl alternately strike opposed sides In Witness whereof, I :have hereunto I claim as newand desireto secure loyLett'ers l Patent is: i o

n 1. :A fanas tending rearwardly of the' motor,y :ai rudder pivoted tothe -usela-ge andmeansz-'actuated by the motor and enclosed bythe-,fuselage for s g `periodically changing the'angularity of the f rudder .with respecttothe fuselage; "f'

senihly comprisinga inotorhava forwardly protruding shaft;` aV fan 'mounted' tothe shaft,4 a tubular yfuselage feX# 2Q A* Jfan assembly comprising a :motor Y i hy the motor andQenclosed by the fuselagefor :oscillating the r'udd'er, said meanslcornprising alrotat'able 'shaft h'oused Within the fuselage -Y A 1 f53.,AffairV assemblycomp'rising'amotor having a forwardly protruding shaftsafan having a-forvvardly protruding llshaft, v-a l fan i mountedffto` the 'sh1a'ft,= a tubular Afuselage ex; a tending Qrearvvardlyvoft-the A riiotorya. Vrudder Y, pivotedt'oithe fuselage and means actuated;l

mounted totheshafavfa tubular iuselage exif v l .tendine rearwardly', oflthe'imotofrafrdder pivotedtofth'e fuselager andcamjrneansiactu *i ated'bythe-motonlandfenclosedloy the" useli age'for periodically;deflectingthe?rudderf v f 4r. A ran assembly{comprising-a frame in; Y, cluding an elongatedtuloular` portion 1Vformed 5 means for pivotally"supportingsaid'fuselagd 'a anfmounted for rotation atonefl the fan-to2 rotate and Ineansl housedigwithin the fuselage `for cll'arriigingtheangularityjii"F y Y the vane with respect toIthea'i-r currents@lirstV Y Vin one Vdirection and then invanothenfvvherehy f to clause the an assembly ,toy hegoscill-ated" ion f "-aSl-,pivot'byrthe reaction @fateli-alimentate i `los 

